Question

how to find initial without final velocity and final velocity??​

Answer 1

Answer:

Know the right equation to use. In order to solve any physics problem you must know which equation to use. Writing down all of the known information is the first step to finding the right equation. If you have values for the final velocity, acceleration, and time involved, you can use the following equation:

Initial velocity: Vi = Vf - (a * t)

Understand what each symbol stands for.

Vi stands for “initial velocity”

Vf stands for “final velocity”

a stands for “acceleration”

t stands for “time”

Note that this equation is the standard equation used when finding initial velocity.

Answer 2

Answer:

you can find initial velocity without knowing the final from the 2nd eq of motion(newton gave 3 equations of motions and these are applicable on objects moving with slow speed and linear motion)

velocity is the rate of change of displacement

S=vit+1/2at2

you can calculate the velocity as

vi×t=S-1/2at^2

vi =S-1/2at^2÷t

where vi =initial velocity

a=acceleration

t=time

S=distance covered

you can find final velocity through the formula

Vf =Vi+at

Explanation:

hope it helps

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